Toronto. Porsche presents the new-generation 911 Turbo S or unprecedented power, driving dynamics and comfort. The new range-topping 911 is being launched as a Coupé and Cabriolet are powered by a new 641-hp 3.8-litre boxer engine with two VTG turbochargers, which delivers 61 hp more than its predecessor. Maximum torque now reaches 590 lb-ft. (an increase of 36 lb-ft.). The Turbo-specific eight- speed Porsche Doppelkupplung (PDK) cuts the sprint from zero to 100 km/h to 2.7 seconds (a decrease of 0.2 seconds), while the top speed is unchanged at 330 km/h.